return {
    "akinsho/toggleterm.nvim",
    cmd = "ToggleTerm",
    version = "*",
    config = function()
        require("toggleterm").setup {
            -- size can be a number or function which is passed the current terminal
            size = function(term)
                if term.direction == "horizontal" then
                    return vim.o.lines * 0.5
                elseif term.direction == "vertical" then
                    return vim.o.columns * 0.4
                end
            end,
            open_mapping = [[<c-n>]],
            -- on_create = fun(t: Terminal), -- function to run when the terminal is first created
            -- on_open = fun(t: Terminal), -- function to run when the terminal opens
            -- on_close = fun(t: Terminal), -- function to run when the terminal closes
            -- on_stdout = fun(t: Terminal, job: number, data: string[], name: string) -- callback for processing output on stdout
            -- on_stderr = fun(t: Terminal, job: number, data: string[], name: string) -- callback for processing output on stderr
            -- on_exit = fun(t: Terminal, job: number, exit_code: number, name: string) -- function to run when terminal process exits
            hide_numbers = true, -- hide the number column in toggleterm buffers
            shade_filetypes = {},
            autochdir = false,   -- when neovim changes it current directory the terminal will change it's own when next it's opened
            highlights = {
                -- highlights which map to a highlight group name and a table of it's values
                -- NOTE: this is only a subset of values, any group placed here will be set for the terminal window split
                Normal = {
                    guibg = "None",
                },
                NormalFloat = {
                    link = "None",
                },
                FloatBorder = {
                    guifg = "None",
                    guibg = "None",
                },
            },
            shade_terminals = true,   -- NOTE: this option takes priority over highlights specified so if you specify Normal highlights you should set this to false
            shading_factor = "3",     -- the degree by which to darken to terminal colour, default: 1 for dark backgrounds, 3 for light
            start_in_insert = false,
            insert_mappings = true,   -- whether or not the open mapping applies in insert mode
            terminal_mappings = true, -- whether or not the open mapping applies in the opened terminals
            persist_size = true,
            persist_mode = true,      -- if set to true (default) the previous terminal mode will be remembered
            direction = "float",      --'vertical' | 'horizontal' | 'tab' | 'float',
            close_on_exit = true,     -- close the terminal window when the process exits
            shell = vim.o.shell,      -- change the default shell
            auto_scroll = true,       -- automatically scroll to the bottom on terminal output
            -- This field is only relevant if direction is set to 'float'
            float_opts = {
                -- The border key is *almost* the same as 'nvim_open_win'
                -- see :h nvim_open_win for details on borders however
                -- the 'curved' border is a custom border type
                -- not natively supported but implemented in this plugin.
                border = "curved", --'single' | 'double' | 'shadow' | 'curved' | ... other options supported by win open
                -- like `size`, width and height can be a number or function which is passed the current terminal
                width = function(term)
                    return math.floor(vim.o.columns * 0.9)
                end,
                height = function(term)
                    return math.floor(vim.o.lines * 0.9)
                end,
                winblend = 0,
            },
            winbar = {
                enabled = true,
                name_formatter = function(term) --  term: Terminal
                    return term.name
                end,
            },
        }
    end,
}
